ASTM_C_317_-_C_317M_-_00_2015.pdf

Designation:C317/C317M00(Reapproved 2015)Standard Specification forGypsum Concrete1This standard is issued under the fixed designation C317/C317M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This specification covers mill-mixed gypsum concrete,consisting essentially of calcined gypsum and suitableaggregate,requiring the addition of water only at the job site.Gypsum concrete is intended for use in the construction ofpoured-in-place roof decks or slabs.Two classes,based on thecompressive strength and density,are covered.1.2 The values stated in either inch-pound units or SI unitsare to be regarded separately as standard.The values stated ineach system may not be exact equivalents;therefore,eachsystem shall be used independently of the other.Combiningvalues from the two systems may result in nonconformancewith the standard.2.Referenced Documents2.1 ASTM Standards:2C11 Terminology Relating to Gypsum and Related BuildingMaterials and SystemsC28/C28M Specification for Gypsum PlastersC35 Specification for Inorganic Aggregates for Use in Gyp-sum PlasterC472 Test Methods for Physical Testing of Gypsum,Gyp-sum Plasters and Gypsum Concrete3.Terminology3.1 Definitions of terms shall be in accordance with Termi-nology C11.4.Materials and Manufacture4.1 Gypsum concrete shall consist of calcined gypsum towhich is added aggregates,wood chips,or wood shavings inproportion to meet the applicable requirements of this specifi-cation.4.2 Calcined GypsumSpecification C28/C28M.4.3 AggregatesSpecification C35.4.4 Wood Chips or Wood Shavings,shall be dry wood,uniform and clean in appearance,passing a 1-in.25-mmsieve,and not more than116in.1.5 mm thick.5.Physical Properties5.1 Setting TimeGypsum concrete shall set in not less than20 min and not more than 90 min.5.2 Compressive StrengthGypsum concrete shall have thefollowing compressive strength for the respective classes:ClassCompressive Strength,min,psi MPaA500 3.5B1000 7.05.3 DensityGypsum concrete,Class A,shall have a den-sity of not more than 60 lb/ft3960 kg/m3.6.Sampling6.1 Randomly select at least 1%of the packages,but notless than five packages.Take samples from both the outerportion and the center of each package.Mix the samples soobtained to provide a composite sample of not less than 15 lb6.5 kg.Immediately place the sample in a clean,dry,airtightcontainer for delivery to the laboratory.7.Test Methods7.1 Determine the physical properties of gypsum concrete inaccordance with Test Methods C472.7.1.1 Determine the setting time by the Vicat method.8.Inspection8.1 Inspection of the gypsum concrete shall be agreed uponbetween the purchaser and the supplier as part of the purchaseagreement.9.Rejection9.1 Rejection of gypsum concrete that fails to conform tothe requirements of this specification shall be reported to the1This specification is under the jurisdiction of ASTM Committee C11 onGypsum and Related Building Materials and Systemsand is the direct responsibilityof Subcommittee C11.01 on Specifications and Test Methods for Gypsum Products.Current edition approved Oct.1,2015.Published October 2015.Originallyapproved in 1953.Last previous edition approved in 2010 as C317 00(2010).DOI:10.1520/C0317_C0317M-00R15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 producer or supplier promptly and in writing.The notice ofrejection shall contain a statement documenting how thegypsum concrete has failed to conform to the requirements ofthis specification.10.Certification10.1 When specified in the purchase agreement,a produc-ers or suppliers report shall be furnished at the time ofshipment certifying that the product is in compliance with thisspecification.11.Packaging and Marking11.1 Gypsum concrete shall be shipped dry and free oflumps.11.2 When shipped for resale,the following informationshall be legibly marked on each package or on a tag of suitablesize attached thereto:11.2.1 Name of the manufacturer or the seller,11.2.2 Brand,11.2.3 Description,and11.2.4 Net and gross weight of the package.12.Keywords12.1 aggregates;calcined gypsum;gypsum;gypsum con-creteASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard.Users of this standard are expressly advised that determination of the validity of any such patent rights,and the riskof infringement of such rights,are entire